diff --git a/scripts/functions b/scripts/functions
index 7c30c6450..3c0538f31 100644
--- a/scripts/functions
+++ b/scripts/functions
@@ -415,6 +415,14 @@ register_application() {
 	echo -e "name=\"$2\"\nexec=\"$3\"\n" > /usr/share/rock-registry/app/$1
 }
 
+# Register a xdm - display manager
+#
+register_xdm() {
+	[ -e /usr/share/rock-registry/xdm ] \
+		|| mkdir -p /usr/share/rock-registry/xdm
+	echo -e "name=\"$2\"\nexec=\"$3\"\n" > /usr/share/rock-registry/app/$1
+}
+
 # Create Package Database for gasgui install tool
 #
 create_package_db() {